Auditing hip-hop’s ‘billionaire’ boys club

RAPPERS aren't exactly known for their modesty, preferring to fill their lyrics with endless references to Cristal and ice (diamonds).

And, boy, do they love to brag about how rich they are. But how many of them are all mouth and no savings account?

On the track "Versus" from the recent, Magna Carta Holy Grail, Jay-Z's taunts fellow rappers about just how much they have in the bank: "The truth in my verses, versus your metaphors about what your net worth is."